In this groundbreaking book, world-renowned astrophysicist Neil deGrasse Tyson tackles the world's thorniest philosophical conundrums, armed with wit, wisdom, and cutting-edge science. Together with distinguished physicist James Trefil, Tyson presents questions that have preoccupied humanity for millennia. Then, using the latest theories, from the Big Bang to string theory and the multiverse, he explores the answers, bolstered with stunning images and the latest insights from missions to planets, moon, asteroids, and beyond. Filled with paradigm-shifting concepts arising from the ideas of astrophysics today, this enlightening book will inspire readers of all ages, offering new ways to understand the complexities of life and the universe we inhabit.